Comment 0 for bug 500069

USB Drive is a MP3 Player 2GB

sbec@Diamant:~$ lsusb
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 Device 002: ID 046d:c50e Logitech, Inc. MX-1000 Cordless Mouse Receiver
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 004: ID 0402:5661 ALi Corp.
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
sbec@Diamant:~$

Linux Diamant 2.6.31-15-generic #50-Ubuntu SMP Tue Nov 10 14:54:29 UTC 2009 i686 GNU/Linux
Ubuntu 2.6.31-15.50-generic

to test, i issued dd command:
dd if=/dev/zero of=/media/usb-disk/test-file bs=32

while dd is running i run dstat.... this is in the log file attached.

other logs are also in the tar.gz file...

there is a huge USB performance Bug report #1972262. this Report is something simular